/**
 * Copyright (c) 2012-2016, www.tinygroup.org (luo_guo@icloud.com).
 *
 *  Licensed under the GPL, Version 3.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *       http://www.gnu.org/licenses/gpl.html
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.tinygroup.jsqlparser.statement.select;

import org.tinygroup.jsqlparser.expression.Alias;
import org.tinygroup.jsqlparser.expression.Expression;
import org.tinygroup.jsqlparser.expression.ExpressionVisitor;
import org.tinygroup.jsqlparser.expression.operators.relational.ItemsList;
import org.tinygroup.jsqlparser.expression.operators.relational.ItemsListVisitor;

/**
 * A subselect followed by an optional alias.
 */
public class SubSelect implements FromItem, Expression, ItemsList {

    private SelectBody selectBody;
    private Alias alias;
    private boolean useBrackets = true;

    private Pivot pivot;


    public void accept(FromItemVisitor fromItemVisitor) {
        fromItemVisitor.visit(this);
    }

    public SelectBody getSelectBody() {
        return selectBody;
    }

    public void setSelectBody(SelectBody body) {
        selectBody = body;
    }


    public void accept(ExpressionVisitor expressionVisitor) {
        expressionVisitor.visit(this);
    }


    public Alias getAlias() {
        return alias;
    }


    public void setAlias(Alias alias) {
        this.alias = alias;
    }


    public Pivot getPivot() {
        return pivot;
    }


    public void setPivot(Pivot pivot) {
        this.pivot = pivot;
    }

    public boolean isUseBrackets() {
        return useBrackets;
    }

    public void setUseBrackets(boolean useBrackets) {
        this.useBrackets = useBrackets;
    }


    public void accept(ItemsListVisitor itemsListVisitor) {
        itemsListVisitor.visit(this);
    }


    public String toString() {
        return (useBrackets ? "(" : "") + selectBody + (useBrackets ? ")" : "")
                + ((pivot != null) ? " " + pivot : "")
                + ((alias != null) ? alias.toString() : "");
    }
}
